Improvement in the form of ins-otj for c okrug-ated metal beams



eIiiitri-i tate-5 aient i *mi 1 Y' ""v r f .hiC HAR. l) MOB l G (iilziii, Ol1 XE YORIL, Y. 5 4 Latini-s Intt'iit No. 106,713, dated Auf/usf 23, 1870.

IMPROVEIi/IENT IN THE FORM OF INGOTS FOR CDRRUG-ATD METAL BEAMS.

Moe-v The Schedule referred to i:i these Letters Patent. and making part cf the same l, Riel-mim MONTGOMERY, ot the eiiy, eonnty, nier steel, directly iroin the furnace. The mohl used andbtate of New B ork, have invented :i new and is-forined ot' such capacit-y thatvthe ingot shall oonnsehil Improvement iii the, Process ol' Manuiiietiiring tain the proper weight ot' metal for the desired beain, Lllll'llllhlilllyfli011 01' Uoiriigated Steel lieains. ot said metal being disposed longitudinally, as shown in whwh the. toilownig is fi specification. fig. 1, and proviivled with'iongitiidinal grooves on either v 1. rrespondinfr in their relativeposition to the Mifune and Ir e s i -i fuk C0 D 0.1 .(f u L'm'mmj lolds or eorrugations requiredin the finished hea-m.

51)' "lllllml I'ClHLJS tothe forni of ingots oi` esin the accompanying drawing is a-n ingot, east zenuw "f HWY ,40ml Steel to he used iii the inanuior :i coli-ligated beam having double liilds or arches. inclure ot corrugated steel beams, the grooves being single longitudinal channel or groove, l, is lornied sunken longitudinali)` in the iiig'ot,'and iiiade to zorcentrally` on one side, (the upper,) :ind two similar l respond in niiinberaini in relative position with those channels, a e, ot' less depth, :its equal distances from desired in the tnnshed bea-in. Y. the eentei', on the opposite side thereof.

l o convert the ingot, thus l'ornied, into a benin, it The two remaining sides oi' the ingot, are recessed, should be passed, at asuitable tenipei'ature, between or cnt away, so as lo leave longitudinal projections A rolls provided with a' series of finishing grooves, the l I on each side of the double grooves l; e, to conste hrsi oi which being iliade to'eorrespond ver) nearly tute the. flanges on the hase ot' the finished beam, all" with vthose ot the ingot, vthe objectol my invention as clearly shown iii iig. 2 oi' the drowinf. heing to diminish the number ot' passes.between the By using an ing-ot. thus vasti, in preference to those rolls heretofore required to reduce an ingot to :i ii'iiheretofore einiiioyed, aJ beam may be produced with ished beam, and thus save time and the Vvexpense. ofv one-third less passes between the rolls, and the lie-nn -the greater length of: rolls -and"additional grooves rer :nav he wholly iii'ii'she'd ab a singlehent.

quired, as weil as ofthe power and the wear and tear ,.,I expended in nia-kingthe preliminary passes. ',"m' l l elaiin as my nveiiiionese'ii-i o li fr f 'Il' D [mu jt a .Aumlmvnymq DH' my .The within-desei'ibed improvement in the forni ot lfignre l is anelevation in perspective, and iiigots designed for use in nianutiieturiiig longitudi- Figure 2 a tir'imsverso section ot the ingot :is east nally-eorrugatil steel beams. 1

Preparatori' to rolliinf. li. \iiN'l`GOMlR.\..`

' Witnesses Gciieial lwei iplioii. DAVKD A BURR lhe ingot is cast, by preference, of the. best Besse li. H. YOUNG. 

